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Final analysis of GIDEON (Global Investigation of Therapeutic Decisions in Hepatocellular Carcinoma [HCC] and of Its Treatment with Sorafenib [Sor]) in >3000 Sor-treated patients (pts): Clinical findings in pts with liver dysfunction.
Abstracts that were granted an exception in accordance with ASCO's Conflict of Interest Policy are designated with a caret symbol (^).
Background: GIDEON is a prospective, non-interventional study. Completion of GIDEON creates a large, global database of >3000 Sor-treated unresectable HCC (uHCC) pts, allowing for evaluation of a broad pt population, including Child-Pugh (CP) B pts with more advanced liver dysfunction. Methods: Baseline characteristics were collected in pts for whom a decision to treat with Sor had been made in clinical practice. Adverse events (AEs), dosing, and outcomes data were collected during follow-up. Results: 3,202 pts were evaluable for safety. Overall, the incidence of AEs and drug-related (DR) AEs was similar across CP subgroups, although serious AEs (SAEs) were more common in CP-B than CP-A pts. The rate of DR AEs (event per patient-year) was also comparable between CP-A and CP-B pts. The average daily Sor dose was slightly higher in CP-B than CP-A pts; duration of treatment was longer in CP-A (Table). In the intent-to-treat population (n=3,213), median overall survival (OS) (months [95% CI]) was longer in CP-A (13.6 [12.8-14.7]) than CP-B pts (5.2 [4.6-6.3]); time to progression was similar: CP-A (4.7 [4.3-5.2]); CP-B (4.4 [3.5-5.5]). Median OS was shorter in pts with a higher CP-B score: 7 (6.2 [4.9-8.7]); 8 (4.8 [4.1-6.9]); 9 (3.7 [3.0-5.1]). Conclusions: Sor safety and dosing during treatment are generally consistent across pts irrespective of liver function. As anticipated, CP status is a strong prognostic factor for OS in uHCC pts.
|AE rate (event per patient-year)b,c|
|Hand-foot skin reaction||0.51||0.50||0.55||0.54||0.42||0.41|
|Discontinuation due to AEs, %b||31.4||28.9||40.1|
|Daily dose, median, mgd||688.0||677.0||741.5|
|Treatment duration, median, weeksd||15.0||17.6||9.9|
aIncludes CP-C, 74 pts; not evaluable, 493 pts; bTreatment-emergent; cCalculated based on 365.25 days per year; dPts with dosing data.
Abstracts by J. A. Marrero:
Global Investigation of Therapeutic Decisions in Hepatocellular Carcinoma and of its Treatment with Sorafenib (GIDEON) second interim analysis in more than 1,500 patients: Clinical findings in patients with liver dysfunction.Meeting: 2011 ASCO Annual Meeting | Abstract No: 4001
First interim results of the global investigation of therapeutic decisions in hepatocellular carcinoma (HCC) and of its treatment with sorafenib (GIDEON) study: Use of sorafenib (Sor) by oncologists and nononcologists in the management of HCC.Meeting: 2011 Gastrointestinal Cancers Symposium | Abstract No: 157